Geology, ^c. of the Connecticut. 233 



84. Specular Oxide, of Iron. Sometimes covering quartz 

 and other minerals-; ais at New Fane and Leyden ; but not 

 abundant. 



85. Micaceous Oxide of Iron. At Jamaica, Vermont, in 

 dolomite ; very handsome. (/. A. Allen.) Also at Haw- 

 ley and at Montague : for a description of which, see the 

 general view of mineral veins and beds that precedes this 

 list of minerals. 



86. Red Oxide of Iron. 



1. Scaly Red Oxide of Iron. At Kent, Connecticut 

 {Gihhs.) 



2. Red Hematite- At Kent. (Gibbs.) 



87. Brown Oxide of Iron. 



1. Brown Hematite. At Salisbury and Kent, Connecti- 

 cut. {Silliman.) Also at Westriver mountain in Chester- 

 field, New-Hampshire, in mica slate. 



88. Argillaceouf! Oxide of Iron. 



1. Granular Argillaceous Oxid of Iron. At Salisbury. 

 (Cleav eland.) 



2. Nodidar Argillaceous Oxide of Iron. At Putney, Ver- 

 mont, in beds of common clay. The masses are oval and 

 elongated, embracing an earthy nucleus. Also near the 

 falls in Gill, in a dark hard slate of the coal formation. 



3. Bog Ore. At New Braintree, Massachusetts, where 

 it is wrought — also at Greenfield. 



89. Carbonate of Iron, (spathic iron.) At New-Milford, 

 in abundance, (Silliman.) 



90. Sulphate of Iron. Efflorescing on mica slate in small 

 quantities in Conway, Hawley, &;c. 



91. Chromate of Iron. At New-Haven and Milford ; dis- 

 Vol. VI.— No. II. 30 



